Home / 12,670.40-19,000.13-4,873.76

Finding the Fourth Proportional to 12,670.40, 19,000.13 and 4,873.76

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Solution

The fourth proportional to 12,670.40, 19,000.13 and 4,873.76 is: 7,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.40 : 19,000.13 = 4,873.76 : x
  2. Step 2: Convert to fraction form
    12,670.40/19,000.13 = 4,873.76/x
  3. Step 3: Cross multiply
    12,670.40x = 19,000.13 × 4,873.76
  4. Step 4: Simplify right side
    12,670.40x = 92,602,073.59
  5. Step 5: Solve for x
    x = 92,602,073.59/12,670.40
  6. Step 6: Final answer
    x = 7,308.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.